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temperature-induced fracture

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
.... It also discusses preventative measures. abrasive wear adhesive wear brittle fracture cavitation fatigue ductile fracture durability erosive wear fatigue fracture fretting wear temperature-induced fracture DURABILITY is a generic term used to describe the performance of a material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... for aesthetic reasons; corrosion may lead to the corroded component fracturing; or corrosion may lead to increased electrical resistance (which could induce degraded performance in electrical or electronic systems). All corrosion is galvanic in nature. It is induced by electrical reactions between two...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... Abstract Elevated-temperature failures are the most complex type of failure because all of the modes of failures can occur at elevated temperatures (with the obvious exception of low-temperature brittle fracture). Elevated-temperature problems are real concerns in industrial applications...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
...-temperature hydrogen attack and its effect on strength and ductility. cracking hydrogen embrittlement liquid-metal-induced embrittlement quench embrittlement temper embrittlement tempered-martensite embrittlement toughness TOUGHNESS IS THE TERM used to describe the ability of a steel...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630081
EISBN: 978-1-62708-270-9
... of test used to try to understand whether or not a particular steel is actually subject to brittle fracture under certain conditions ( Ref 6 ). However, regardless of the type of test used to try to establish the ductile/brittle transition temperature, the general results are the same: the lower...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... with important fracture features. stress-corrosion cracking crack initiation crack propagation crack growth rate STRESS-CORROSION CRACKING (SCC) describes service failures in engineering materials that occur by slow environmentally induced crack propagation. The observed crack propagation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
...-intensity on crack propagation rates, and describes several mechanical fracture models, including corrosion tunnel, film-induced cleavage, and tarnish rupture models. crack initiation crack propagation stress-corrosion cracking STRESS-CORROSION CRACKING (SCC) is a term used to describe service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... fracture and explains how they reshaped design philosophies, procedures, and tools. It also discusses the influence of material and manufacturing defects, operating conditions, stress concentration and intensity, temperature and pressure, and cyclic loading, all of which play a role in the onset of fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... or a sudden change Δ T of the surface temperature of the unconstrained component induces a stress: (Eq 8) σ = E α Δ T C where C is equal to 1 for axial constraint, (1 – ν) for biaxial constraint, (1 – 2ν) for triaxial constraint, and ν is Poisson’s ratio. If this thermally induced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780404
EISBN: 978-1-62708-281-5
... transition temperature where the molecule dramatically stiffens. Under monotonic loading, the competing processes of ductile fracture by deformation and brittle fracture are influenced by structure, loading conditions, and temperature. Deformation occurs by viscoplastic flow processes in noncrystalline...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930071
EISBN: 978-1-62708-359-1
... cracking occur during or soon after the actual welding process, hydrogen-induced cracking is usually a delayed phenomenon, occurring possibly weeks or even months after the welding operation. The temperature at which these defects tend to form ranges from -50 to 150 °C (-60 to 300 °F) in steels...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630035
EISBN: 978-1-62708-270-9
... Abstract Residual, or locked-in internal, stresses are regions of misfit within a metal part or assembly that can cause distortion and fracture just as can the more obvious applied, or service, stresses. This chapter describes the fundamental facts about residual stresses and discusses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430147
EISBN: 978-1-62708-253-2
... of plastic deformation and the resultant thinning that the tube undergoes prior to fracture, it is called a thick-lip or thin-lip fish-mouth fracture. Depending on the time to which the tube has been exposed to high temperature prior to fracture, the failure is called shortterm overheating (with exposure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... cracking, also referred to as hydrogen-induced cracking or static fatigue, is characterized by the brittle fracture of a normally ductile alloy under sustained load in the presence of hydrogen. Most often, fracture occurs at sustained loads below the yield strength of the material. This cracking mechanism...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410233
EISBN: 978-1-62708-265-5
... and heated at low temperatures and times that simulate paint curing cycles, typically 175 °C (350 °F) for 20 minutes ( Ref 12.28 ). The mechanism for strengthening provided by bake hardening is therefore exactly that of strain aging as described in Chapter 11, “Deformation, Strengthening, and Fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... or unstable microscale ductile fracture is induced. Which event occurs depends on the temperature and the loading rate, but in either event, crack propagation is unstable (i.e., does not require an increasing load after creation of the tear zone). Fracture mechanics is a tool to help evaluate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... for the application (including strength, fatigue resistance, fracture toughness, corrosion resistance, and elevated-temperature resistance) is also a design deficiency. Materials can exhibit anisotropy, or variability in properties within a product, such as between the thick and thin portions of a casting or between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930217
EISBN: 978-1-62708-359-1
... the exact temperature of the part and provides a signal to a controller, which regulates the fuel or electrical power required for heating. Most code work requires precise temperature control. The effect of preheat is illustrated by the data in Table 1 . The extent to which the ductility and fracture...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700023
EISBN: 978-1-62708-279-2
... applications. Tempering the 0.4% C steel reduces its yield strength but increases its fracture toughness. The higher the tempering temperature, the higher is the fracture toughness and the lower is the yield strength. Figure 2.21 compares the microstructures of various phases of steel grades. Ferrite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540431
EISBN: 978-1-62708-309-6
...-temperature hydrogen attack, hy- the stress (or load) required to induce fracture drogen blistering, hydrogen embrittlement, instability in a structure containing a cracklike liquid metal embrittlement, solid metal em- aw of known size and shape. As opposed to brittlement, stress corrosion cracking...